However, even a 4 bar loser 30 kWh car has about as much range as an '11 or '12 Leaf with a brand new pack (no degradation).
No, more like a 3 bar loser has the same range as a new 24kwh pack. I got corrected on that one a few months ago. A 4 bars lost 30kwh Leaf has roughly the same range as a 24kwr pack that has lost 1 bar, IIRC.